What does the direction of angular acceleration tell us ?

In summary, angular acceleration is a measure of how quickly an object's angular velocity changes over time. It is different from linear acceleration, which refers to changes in straight-line motion. Angular acceleration can be calculated by dividing the change in angular velocity by the change in time and is measured in radians per second squared or degrees per second squared. A positive angular acceleration indicates an increase in angular velocity, while a negative angular acceleration indicates a decrease or change in direction of rotation.
  • #1
implab707
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what does the direction of angular acceleration tell us ?
 
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  • #2
implab707 said:
what does the direction of angular acceleration tell us ?
Welcome to Physics Forums.

As the name might suggest the orientation of the angular acceleration vector tells us in which direction the object is accelerating (i.e. clockwise or counter-clockwise) according to your co-ordinate system.
 
  • #3
kindly someone tell me that what does the direction of angular acceleration or angular velocity tell us ?
 
  • #4
implab707 said:
kindly someone tell me that what does the direction of angular acceleration or angular velocity tell us ?
See my above response.
 
  • #5


The direction of angular acceleration tells us about the change in the rotational speed and direction of an object. It indicates whether the object is speeding up or slowing down, and in which direction it is rotating. This information is important in understanding the dynamics of rotational motion and can help us make predictions about how an object will behave in the future. Additionally, the direction of angular acceleration can provide insights into the forces acting on the object and the torque being applied to it. Overall, the direction of angular acceleration is a crucial factor in understanding and analyzing rotational motion.
 
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